13065739 has 2 divisors, whose sum is σ = 13065740. Its totient is φ = 13065738.

The previous prime is 13065733. The next prime is 13065763. The reversal of 13065739 is 93756031.

It is a weak prime.

It is an emirp because it is prime and its reverse (93756031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13065739 is a prime.

It is a super-2 number, since 2×13065739² = 341427071232242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13065733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6532869 + 6532870.

It is an arithmetic number, because the mean of its divisors is an integer number (6532870).

Almost surely, 2^13065739 is an apocalyptic number.

13065739 is a deficient number, since it is larger than the sum of its proper divisors (1).

13065739 is an equidigital number, since it uses as much as digits as its factorization.

13065739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 13065739 is about 3614.6561385559. The cubic root of 13065739 is about 235.5291471505.

The spelling of 13065739 in words is "thirteen million, sixty-five thousand, seven hundred thirty-nine".